Smart phone back protector with ring holder



FIG. 1 is a rear perspective view of a smart phone back protector with ring holder showing my new design therefor;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Throughout the drawings, broken lines indicate environment and form no part of the design 

CLAIM The ornamental design for a smart phone back protector with ring holder, as shown and described. 